Commit 7c7cbadf authored by Artem Bityutskiy's avatar Artem Bityutskiy

UBIFS: amend f_fsid

David Woodhouse suggested to be consistent with other FSes
and xor the beginning and the end of the UUID.
Signed-off-by: default avatarArtem Bityutskiy <>
parent b3385c27
......@@ -370,6 +370,7 @@ static int ubifs_statfs(struct dentry *dentry, struct kstatfs *buf)
struct ubifs_info *c = dentry->d_sb->s_fs_info;
unsigned long long free;
__le32 *uuid = (__le32 *)c->uuid;
free = ubifs_get_free_space(c);
dbg_gen("free space %lld bytes (%lld blocks)",
......@@ -386,8 +387,8 @@ static int ubifs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_files = 0;
buf->f_ffree = 0;
buf->f_namelen = UBIFS_MAX_NLEN;
memcpy(&buf->f_fsid, c->uuid, sizeof(__kernel_fsid_t));
buf->f_fsid.val[0] = le32_to_cpu(uuid[0]) ^ le32_to_cpu(uuid[2]);
buf->f_fsid.val[1] = le32_to_cpu(uuid[1]) ^ le32_to_cpu(uuid[3]);
return 0;
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment